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Table 1 Results of reliability studies
| Questionnaire item | Questionnaire version 1 kappa | Questionnaire version 2 kappa |
|---|---|---|
| How did you travel to school today? | 0.67 | 0.79 |
| With whom did you come to school today? | 0.53 | 0.31 |
| How do you travel to school during a usual week? | 0.73 | 0.75 |
| How will you go from school to home today? | 0.75 | 0.66 |
| With whom will you go from school to home today? | 0.58 | 0.58 |
| How do you travel home during a usual week? | 0.76 | 0.84 |
| How would you like or wish to travel to and from school? | 0.48 | 0.44 |
| How do you travel to school during the rains? | 0.56 | 0.64 |
| How do you travel to school during hot weather? | 0.66 | 0.88 |
| Are you allowed by your parents to cross main roads alone? | 0.18 | 0.24 |
| Are you allowed by your parents to cycle on main roads alone? | 0.30 | 0.20 |
| How safe do you feel when you travel to and from school? | 0.02 | 0.00 |
| What are you worried about, during your journey to school? | 0.54 | 0.31 |
| During the past week, after school, on how many days did you exercise? | 0.07 | 0.01 |
| aDuring the past week, after school, how many hours did you exercise? | n/a | 0.01 |
| During the past week, how many Physical Training (PT) periods did you attend? | 0.07 | −0.01 |
| During the past 12 months, were you injured in a road accident? | 0.61 | 0.72 |
| aMention the nearest landmark to your home | n/a | n/a |
